
* {
    margin: 0px;
    padding: 0px;
}

ul,ol{
    list-style: none;
}

a {
   text-decoration:none ;
    color:black ;
}

.block{
    display: block;
}

.hide{
    display: none;
}

.left{
    float: left;
}

.right{
    float: right;
}
